A cubic yard of air weighs about 2 pounds at sea level.
31
The force of a suction cup is calculated using F=AP.
15
The bark of an older redwood tree is fireproof.
65
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39
German scientists claim to have evidence that suggests that our universe may exist inside of a computer simulated Matrix.
18
In zero gravity, a candle's flame is round and blue.
16